26
ELECTRICAL WORK
F ig.5 3
Connect the cable to the outdoor unit
1. Remove the electrical control board cover
from the outdoor unit by loosening the screw
as shown in Fig.51.
2. Connect the connective cables to the
terminals as identified with their respective
matched numbers on the terminal block of
indoor and outdoor units.
3. Secure the cable onto the control board with
the cord clamp.
4. To prevent the ingress of water, from a loop
of the connective cable as illustrated in the
installation diagram of indoor and outdoor
units.
5. Insulate unused cords (conductors) with
PVC-tape.Process them so they do not
touch any electrical or metal parts.
Wiring connection
NOTE: Before performing any electrical
work, turn off the main power to the system.
Connection Cable
10mm
40mm
F ig.5 5
CAUTIONS
Do n ot tou ch the capacitor e ven if you
have disco nnect ed the powe r for t here is
still high voltage powe r on it, or ele ctric
shoc k hazard ma y occur. Fo r your safety,
you should start repair ing at least 5 minutes
later after the po wer is disco nnect ed.
The power is supplied from t he Ou tdoor
Unit. The four In door U nit ar e conn ected
with a sign al wires or p ower cords are
conn ected reliab ly and corre ctly, or the
air conditio ner could n ot run norm ally.
One-two
One-three
One- four
On e-five
F ig.5 4
CAUTIONS
Make sure to connect the indoor unit (A,B, C, D)
to the Hi and Lo valve and terminals of signal
wires(A, B, C, D) of outdoor unit as identified
with thei r respective matched connection.
Wrong wiring connections may cause some
electrical parts to malfunction.
M inimum no rmin al cro ss-se ction al are a
o f con ducto rs:
R ate d cu rren t of appliance
( A)
Nominal cro ss- sect iona l
are a (m m )
2
>3 and <6
>6 and <1 0
>1 0 an d < 16
>1 6 an d < 25
0.75
1
1 .5
2.5
POWER
Screw
Cover
E
E
L(A) N(A) S(A)
L
N
S
L(B) N(B) S(B)
L
N
S
L(C) N (C) S(C)
L
N
S
L(D) N(D) S(D)
L
N
S
L(E) N(E ) S(E)
L
N
S
